Robert has had 1 or more Beagleboard's running a read only file system since . . . What Robert ? 2011 ? But you can search this group, and find him talking about them in a few different posts.
On Mon, May 2, 2016 at 12:09 PM, Yiannis Papelis <[email protected]> wrote: > Mike, > > Thanks for the suggestion, this seems like a viable alternative. > > > On Monday, May 2, 2016 at 3:02:57 PM UTC-4, mjc wrote: >> >> On 05/02/2016 02:54 PM, Yiannis Papelis wrote: >> > Very much agree with you - even though I don't want to use a battery, >> it >> > seems more and more than a battery is a necessity for field use of the >> > BBB, which would explain the existing connector. >> >> In my work, the solution was to use a read-only filesystem with a tmpfs >> overlay. I mount the boot and root partitions read-only, and configure >> /etc/sysconfig/readonly-root with READONLY=yes and TEMPORARY_STATE=yes. >> (This system runs Fedora.) >> >> Permanent file writes are not frequently needed, but the filesystems can >> be temporarily re-mounted as read/write when they are required. >> >> Also, I use a Swissbit SD card, which is more robust (and expensive) >> than normal SD cards, because it contains additional power-down >> protection. >> >> I haven't experienced any filesystem corruption since switching to this >> approach. >> >> I did use supercaps as pseudo-battery-backups for a while - the program >> would switch the filesystem to readonly as soon as a powerfail circuit >> was tripped - but the readonly+overlay approach is simpler and more >> robust in practice. >> >> - Mike >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/184788e1-295e-46d0-a5ac-a168a061eeb2%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/184788e1-295e-46d0-a5ac-a168a061eeb2%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORrg59kV-CzFvjcJ92fdsnmZM82tLBJ-FPhhrPgin7tZ-Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
